A very slutty girl. A girl the frequently has sex with many different men. This is not to be confused with a girl who gives head often, hand jobs or any other form of
hooking up that is below sex. Generally a
cock pocket is an unattractive girl. This word can also be used to refer to a
vagina
Guy 1: "Dude, Samantha is such a massive slut, she sleeps with anything with a
cock."
Guy 2: "Yeah, she's a fucking
cock pocket."
"Her
cock pocket was so wet!"